/*
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */
package net.sf.l2j.gameserver.network.clientpackets;

import java.util.logging.Logger;

import net.sf.l2j.gameserver.model.L2World;
import net.sf.l2j.gameserver.model.TradeList;
import net.sf.l2j.gameserver.model.actor.instance.L2PcInstance;
import net.sf.l2j.gameserver.network.SystemMessageId;
import net.sf.l2j.gameserver.network.serverpackets.SystemMessage;
import net.sf.l2j.gameserver.network.serverpackets.TradeOtherAdd;
import net.sf.l2j.gameserver.network.serverpackets.TradeOwnAdd;

public final class AddTradeItem extends L2GameClientPacket
{
    private static final String _C__16_ADDTRADEITEM = "[C] 16 AddTradeItem";
    private static final Logger _log = Logger.getLogger(AddTradeItem.class.getName());

    private int _tradeId;
    private int _objectId;
    private int _count;

    public AddTradeItem()
    {
    }

    @Override
	protected void readImpl()
	{
    	_tradeId = readD();
        _objectId = readD();
        _count = readD();
	}

    @Override
	protected void runImpl()
    {
        final L2PcInstance player = getClient().getActiveChar();
        if (player == null) 
        	return;

        final TradeList trade = player.getActiveTradeList();
        if (trade == null)
        {
            _log.warning("Character: " + player.getName() + " requested item:" + _objectId + " add without active tradelist:" + _tradeId);
        	return;
        }
        
		final L2PcInstance partner = trade.getPartner();
        if (partner == null || L2World.getInstance().getPlayer(partner.getObjectId()) == null || partner.getActiveTradeList() == null)
        {
            // Trade partner not found, cancel trade
            if (partner != null)
            	_log.warning("Character:" + player.getName() + " requested invalid trade object: " + _objectId);
            SystemMessage msg = SystemMessage.getSystemMessage(SystemMessageId.TARGET_IS_NOT_FOUND_IN_THE_GAME);
            player.sendPacket(msg);
            player.cancelActiveTrade();
            return;
        }

		if (trade.isConfirmed() || partner.getActiveTradeList().isConfirmed())
		{
			player.sendPacket(SystemMessageId.CANNOT_ADJUST_ITEMS_AFTER_TRADE_CONFIRMED);
			return;
		}
        
        if (!player.getAccessLevel().allowTransaction())
        {
            player.sendMessage("Transactions are disabled for your Access Level.");
            player.cancelActiveTrade();
            return;
        }

        if (!player.validateItemManipulation(_objectId, "trade"))
		{
			player.sendPacket(SystemMessageId.NOTHING_HAPPENED);
			return;
		}

        final TradeList.TradeItem item = trade.addItem(_objectId, _count);
        if (item != null)
        {
        	player.sendPacket(new TradeOwnAdd(item));
        	trade.getPartner().sendPacket(new TradeOtherAdd(item));
        }
    }

    @Override
	public String getType()
    {
        return _C__16_ADDTRADEITEM;
    }
}